CN103113864B - 应用暂堵剂和复合解堵剂复合解堵的方法 - Google Patents
应用暂堵剂和复合解堵剂复合解堵的方法 Download PDFInfo
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岩心管编号 | 半胶结3# |
岩心尺寸(cm) | Φ2.55×30.1 |
Kg(mD) | 486 |
孔隙度(%) | 32.2 |
水相渗透率Kw(mD) | 413 |
地层水注入压力(MPa) | 0.0071 |
暂堵剂注入阻力系数Fr | 1773 |
暂堵剂注入压力(MPa) | 12.59 |
恒压水驱突破时间(h) | 32 |
解堵后注入压力(MPa) | 0.0092 |
残余阻力系数Frr | 1.15 |
解堵后水相渗透率(mD) | 360 |
岩心管编号 | 半胶结7# | 半胶结8# |
岩心尺寸(cm) | Φ2.53×30.55 | Φ2.55×30.1 |
Kg(mD) | 415 | 1256 |
孔隙度(%) | 31.21 | 33.46 |
孔隙体积PV(mL) | 47.91 | 51.41 |
水相渗透率Kw(mD) | 389.00 | 1179.00 |
地层水注入压力(MPa) | 0.0078 | 0.0025 |
矿物组成 | 污水 | 清水 | 地层水 |
氯化钠/g/L | 1.9 | 0.133 | 3.489 |
氯化钾/g/L | 0.011 | 0 | 0.02 |
氯化钙/g/L | 0.035 | 0.022 | 0.064 |
MgCl2·6H2O/g/L | 0.143 | 0.061 | 0.262 |
硫酸钠/g/L | 0.062 | 0.043 | 0.114 |
碳酸氢钠/g/L | 1.544 | / | 2.829 |
碳酸钠/g/L | / | 0.05 | / |
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CN103113864A CN103113864A (zh) | 2013-05-22 |
CN103113864B true CN103113864B (zh) | 2014-09-17 |
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Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104212426A (zh) * | 2013-06-05 | 2014-12-17 | 中国石油天然气股份有限公司 | 包裹型调剖降解剂 |
CN103881674B (zh) * | 2013-10-18 | 2016-06-01 | 中国石油化工股份有限公司 | 一种注聚堵塞井段塞组合解堵剂、制备方法及应用 |
CN103643928B (zh) * | 2013-11-21 | 2016-05-11 | 中国海洋石油总公司 | 一种基于压力场和流速场分布的逐级深部调剖方法 |
CN103642478B (zh) * | 2013-11-27 | 2016-03-09 | 中国石油天然气股份有限公司 | 一种用于解除聚合物污染物的解堵剂 |
CN105462572B (zh) * | 2014-09-05 | 2018-09-04 | 中国石油天然气股份有限公司 | 一种解堵剂及其制备方法 |
CN105462573B (zh) * | 2014-09-09 | 2018-08-17 | 中国石油化工股份有限公司 | 一种油田注聚井增注用解堵剂 |
CN106905194B (zh) * | 2017-03-07 | 2018-10-19 | 四川格鑫拓科技有限公司 | 一种适用于砂岩地层的多功能转向酸、稠化剂及其制备方法 |
CN109294543B (zh) * | 2018-10-22 | 2020-11-27 | 唐山冀油瑞丰化工有限公司 | 一种调剖降解剂及其制备方法 |
CN109777382A (zh) * | 2019-02-20 | 2019-05-21 | 于鑫娅 | 一种高耐热油井用暂堵剂 |
CN110373172A (zh) * | 2019-06-21 | 2019-10-25 | 郭勇 | 一种复合破胶剂 |
CN112746829A (zh) * | 2019-10-30 | 2021-05-04 | 中国石油化工股份有限公司 | 一种高含水期稠油的堵水降粘开采方法 |
CN111234794B (zh) * | 2020-03-18 | 2020-10-27 | 北京大德广源石油技术服务有限公司 | 复合解堵剂及其应用方法 |
Citations (4)
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US4846981A (en) * | 1988-12-19 | 1989-07-11 | Texaco Inc. | Method of restoring permeability around wellbores |
WO2007045592A1 (en) * | 2005-10-20 | 2007-04-26 | Akzo Nobel N.V. | Emulsifier based on polyamines and fatty acid/maleic anhydride |
CN102220116A (zh) * | 2011-05-06 | 2011-10-19 | 河北科技大学 | 一种复合次氯酸钠溶液油井解堵剂 |
CN102618236A (zh) * | 2012-03-16 | 2012-08-01 | 西南石油大学 | 一种用于石油油藏高强度堵剂的解堵剂 |
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Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4846981A (en) * | 1988-12-19 | 1989-07-11 | Texaco Inc. | Method of restoring permeability around wellbores |
WO2007045592A1 (en) * | 2005-10-20 | 2007-04-26 | Akzo Nobel N.V. | Emulsifier based on polyamines and fatty acid/maleic anhydride |
CN102220116A (zh) * | 2011-05-06 | 2011-10-19 | 河北科技大学 | 一种复合次氯酸钠溶液油井解堵剂 |
CN102618236A (zh) * | 2012-03-16 | 2012-08-01 | 西南石油大学 | 一种用于石油油藏高强度堵剂的解堵剂 |
Non-Patent Citations (2)
Title |
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《改善清洁压裂液耐温携砂性能的方法研究》;赵金姝;《精细石油化工进展》;20110731;第12卷(第7期);第5-7页 * |
赵金姝.《改善清洁压裂液耐温携砂性能的方法研究》.《精细石油化工进展》.2011,第12卷(第7期),第5-7页. |
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